One policeman, Brigadier Leo Nardo Latupapua was killed by the attacker.
[3] After the attacker killed Leo, the other two police officers tried to flee & locked themselves in another room asking for help using their phones.
[3] The attacker refused to surrender and was shot dead by the police that arrived in the area.
While no organization claimed responsibility for the attack, police found that the attacker carried an ISIS flag and a paper containing an ultimatum about the Islamic state & jihad.
[4][5][6] Later two suspected terrorists belonging to Jamaah Ansharut Daulah were arrested by police.